Date: Fri, 17 Oct 2003 13:25:04 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: John Reynolds <johnjen@reynoldsnet.org>, hackers@freebsd.org Subject: Re: boot0 screen output with dual-boot of FreeBSD / WinXP Message-ID: <200310171325.05020.doconnor@gsoft.com.au> In-Reply-To: <16270.42776.767653.86364@whale.home-net> References: <16270.42776.767653.86364@whale.home-net>
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--Boundary-00=_Yg2j/fqT1isfJoC Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline On Thursday 16 October 2003 23:41, John Reynolds wrote: > After rebooting from there I see: > > F1 ?? > F2 FreeBSD > > at the prompt once the machine boots. My fuzzy memory seems to recall from > years back that seeing ??'s was "bad" as it meant the boot mgr couldn't > find out something it wanted. I chose both F1 and F2 in multiple boots and > each OS boots fine and acts normal. ... > So, it appears that partition type "7" just isn't a "known" type. Other > partition types seem to just "map" to print "DOS" (or whatever else). I > couldn't see where the "os_misc" string would be printed in the case of an > error of any sort, so can I assume that all is well with this partition and > dual boot combo and just ignore the '??'? Is it possible to add in another > table entry for type 0x7? Is it advisable? Basically, no. There is no room left in boot0 :( I think you could do it by squeezing down some text strings, and removing other [less common] entries though. The attached diff is a quick and dirty change which should do it.. I booted my laptop with it so it shouldn't be _that_ broken, but please keep a backup :) to apply.. cd /usr/src/sys/ patch <~/winxp.diff cd boot/i386/boot0 make sudo make install sudo boot0cfg -Bv /dev/xxxx -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 9A8C 569F 685A D928 5140 AE4B 319B 41F4 5D17 FDD5 --Boundary-00=_Yg2j/fqT1isfJoC Content-Type: text/x-diff; charset="iso-8859-1"; name="winxp.diff" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="winxp.diff" Index: boot/i386/boot0/boot0.s =================================================================== RCS file: /usr/CVS-Repository/src/sys/boot/i386/boot0/boot0.s,v retrieving revision 1.14.2.6 diff -u -r1.14.2.6 boot0.s --- boot/i386/boot0/boot0.s 19 Dec 2000 00:32:19 -0000 1.14.2.6 +++ boot/i386/boot0/boot0.s 17 Oct 2003 03:46:19 -0000 @@ -364,7 +364,7 @@ # # These values indicate bootable types we know the names of # - .byte 0x1, 0x4, 0x6, 0xb, 0xc, 0xe, 0x63, 0x83 + .byte 0x1, 0x6, 0x7, 0xb, 0xc, 0xe, 0x63, 0x83 .byte 0x9f, 0xa5, 0xa6, 0xa9 # # These are offsets that match the known names above and point to the strings --Boundary-00=_Yg2j/fqT1isfJoC--
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